On May 18, 2013, at 9:06 AM, Polytropon wrote:
> On Sat, 18 May 2013 11:58:30 -0400, Quartz wrote:
>>
>>>> newfoo=${foo:0:51}
>>>>
>>>
>>> That works for bash, not sh.
>>
>> Ok granted, but I don't think that ${#foo} is straight sh either, so I
>> assumed "things bash/tcsh/ksh/whatever accept when running in sh
>> emulation" were ok.
>
> By default, there is no bash on FreeBSD, and therefor no emulation
> and "implicit features". :-)
>
> At least FreeBSD's implementation of sh (which is ash, I think)
dash actually -- the Debian Almquist shell (descendent of NetBSD's ash).
--
Devin
> supports the # functionality. From "man sh":
>
> ${#parameter}
> String Length. The length in characters of the value of
> parameter.
>
> And:
>
> ${parameter#word}
> Remove Smallest Prefix Pattern. The word is expanded to produce
> a pattern. The parameter expansion then results in parameter,
> with the smallest portion of the prefix matched by the pattern
> deleted.
>
> Check the chapter "Parameter Expansion" for more surprising
> things that are supported by ye olde /bin/sh. :-)
>
>
>
> --
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...
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